3-Nitro-5-azopyridine dyestuffs

Details 3-Nitro-5-azopyridine dyestuffs 3-Nitro-5-azopyridine dyestuffs

1975-12-01

1978-01-10

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146D, 260146T, 260147, 260153, 260154, 260270E, 2602948F, 2602949, 260296R, C09B 2936, C09B 6208, C09B 6224, D06P 352

Patent

active

040680851

ABSTRACT:
An azo dyestuff of the formula ##STR1## wherein two of the radicals Z denote groups of the formula --NR'R" and one radical Z denotes a group of the formulae --NR'R", --OR' or --S-R', and R' and R" and R" each denote hydrogen, aryl, aralkyl, cycloalkyl or an aliphatic radical and R' and R" can form a ring containing the amine nitrogen and the radicals --NR'R" can be identical to, or different from, one another, Z.sub.3 is also a hydrogen, chlorine or bromine atom or an optionally substituted hydrocarbon radical and D is the radical of an aromatic or heterocyclic diazo component. The new dyestuffs dye synthetic fibers, such as polyester and acrylic fibers in fast yellow, and red shades.

REFERENCES:
patent: 1680109 (1928-08-01), Ostromislensky
patent: 2068353 (1937-01-01), Schneiderwirth
patent: 2156141 (1939-04-01), Binz et al.
patent: 2783224 (1957-02-01), Green et al.
patent: 3249597 (1966-05-01), Dehn et al.
patent: 3869440 (1975-03-01), Back et al.
patent: 3907769 (1975-09-01), Dehnert et al.

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